Qimen Black Tea is a famous black tea product, referred to as Qi Hong for short, which is produced in Qimen County, a branch of Huangshan Mountain in the southwest of Anhui Province, China. The local tea varieties have high yield and good quality. They are planted in fertile red and yellow soil with mild climate, abundant rainfall and moderate sunshine, so the leaves are tender and rich in water-soluble substances, and the quality picked in August is the best. Qi Hong has a tight, thin and uniform appearance, beautiful front seedlings and dark colors (commonly known as "Baoguang"); It is pure, fragrant and fragrant with honey, and the top tea contains orchid fragrance (so-called "Qimenxiang"), which is rich and lasting; The soup is red and bright, sweet and mellow, and the bottom of the leaves (soaked tea residue) is red and bright. Clear drinks can best taste the meaningful aroma of Qi Hong, even if fresh milk is added, it will not lose its fragrance. It is most suitable to drink black tea in spring, and afternoon tea and bedtime tea are also suitable. Qimen tea was very famous in the Tang Dynasty. According to historical records, before Guangxu in Qing Dynasty, black tea was not produced here, but green tea was abundant, and the production method was similar to that of Lu 'an tea, so it was once called "Anlv". In the first year of Guangxu, yi county native Yu Ganchen came back from Fujian to do business and opened a teahouse. Qimen transformed black tea into a rising star. It has a history of 100 years. Qimen tea strips are tight, thin and long, and the soup is red and bright. In particular, its aroma is like fruit fragrance, with orchid fragrance, fresh and lasting. It can be brewed separately or mixed with milk. Jiangxi "Fuliang Gongfu Black Tea" in Qimen Tea Area is the best in Qi Hong, and it is famous for its "high aroma, mellow taste, beautiful shape and beautiful color".

Flavonoids in Qimen black tea have antibacterial effects such as killing poisonous bacteria in food and making influenza virus infectious.